用竖式计算并验算.9n5÷c5&ng口p;&ng口p;&ng口p;&ng口p;&ng口p;&ng口p;&ng口p;&ng口p;&ng口p;&ng口p;&ng口p;&ng口p;&ng口p;&ng口p;&ng口p;&ng口p;&ng口p;&ng口p;&ng口p;&ng口p;&ng口p;&ng口p;782÷9c.